Net working lec.1
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Transcript of Net working lec.1
Course Objectives and Outcomes:
1. To provide basic understanding of OSI/TCP layers.2. To provide a basic understanding of Medium Access Control
Protocols (MAC) and their performance.3. To provide a basic understanding of the Data Link Layer4. To provide a basic understanding of Network layer issues.5. To provide a basic understanding of Transport layer issues6. To provide an overview of the Application layer.
7. Practice and exercise on servers and network
References :• Computer Networks, Tanenbaum, 4th ed. Prentice Hall 2003; • Computer Networking: A Top-Down approach Featuring the Internet,
Kurose and Ross, 2nd ed. Addison-Wesley 2003.• Rensselaer Polytechnic Institute © Shivkumar Kalvanaraman & ©
Biplab Sikdar• Use Gooooooooooooooooooogle
Important Dates :
• 1st assignment is …..Deadline …..• 2nd assignment is …..Deadline …..• Group Project is ……Deadline …..• Midterm is on ………….
Network Fundamentals
• Network ElementsWork station, Servers, Hosts
• Local Area Network ( LA N )• Wide Area Network ( WAN )• Peer To Peer Network• Client / Server Network
Physical Network Topologies
Segments & Backbone
Physical Media
Network Connectivity Devices
• NIC• Hub• Switch• Bridges• Router• Gateways• Modems• CSU/DSU
OS I Model Introduction
All People Seem To Need Data Processing
Logical Topology• CSMA/CD• Token Passing• CSMA/CA
Networking Protocols• TCP/IP• IPX/SPX• NetBEUI• AppleTalk
TCP/IP
Transmission Control Protocol (TCP)
Internet Protocol
Application Protocols
•SNMP•FTP•TFTP•SMTP•POP•IMAP
•Telnet•ICMP•HTTP•ARP•NTP•UDP
Ports & Sockets
IP Address
• IPv4(Class A, Class B, Class C, Class D, Class E)• IPv6
Subnets
IP Proxy Servers
• Proxy Server caching(ICP, CARP)• Name Resolution Methods(Internet Domain
Organization)• Examples:
.com Commercial websites.
.edu Educational organizations.
.gov Governmental organizations.
.int International organizations
.mil U S Military
.net Networking .websites
.org Organizations
• Hosts, DNS, WINS, VL A N
Questions?
